J JaneEyre New member Sep 22, 2010 #1 I don't understand what "Earth's fitness of life" means. I know cohesion is the attraction between molecules of the same kind - I know how and why it works. Thanks for any help!!!
I don't understand what "Earth's fitness of life" means. I know cohesion is the attraction between molecules of the same kind - I know how and why it works. Thanks for any help!!!